1berry/nodejs
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

fs: fix cpSync handle existing symlinks

Browse Source 
PR-URL: https://github.com/nodejs/node/pull/58476
Fixes: https://github.com/nodejs/node/issues/58468
Reviewed-By: Dario Piotrowicz <dario.piotrowicz@gmail.com>
This commit is contained in:
Yuesong Jake Li 2025-05-27 12:16:11 +09:30 committed by Node.js GitHub Bot
parent 49679ddd98
commit 0e8ae91855
2 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/internal/fs/cp/cp-sync.js
View File

@ -196,7 +196,9 @@ function onLink(destStat, src, dest, verbatimSymlinks) {
if (!isAbsolute(resolvedDest)) {
resolvedDest = resolve(dirname(dest), resolvedDest);
}
if (isSrcSubdir(resolvedSrc, resolvedDest)) {
const srcIsDir = fsBinding.internalModuleStat(src) === 1;
if (srcIsDir && isSrcSubdir(resolvedSrc, resolvedDest)) {
throw new ERR_FS_CP_EINVAL({
message: `cannot copy ${resolvedSrc} to a subdirectory of self ` +
`${resolvedDest}`,

13
test/parallel/test-fs-cp.mjs
View File

@ -15,7 +15,7 @@ const {
writeFileSync,
} = fs;
import net from 'net';
import { join } from 'path';
import { join, resolve } from 'path';
import { pathToFileURL } from 'url';
import { setTimeout } from 'timers/promises';
@ -248,6 +248,17 @@ function nextdir(dirname) {
);
}
// It allows copying when is not a directory
{
const src = nextdir();
const dest = nextdir();
mkdirSync(src, mustNotMutateObjectDeep({ recursive: true }));
writeFileSync(`${src}/test.txt`, 'test');
symlinkSync(resolve(`${src}/test.txt`), join(src, 'link.txt'));
cpSync(src, dest, mustNotMutateObjectDeep({ recursive: true }));
cpSync(src, dest, mustNotMutateObjectDeep({ recursive: true }));
}
// It throws error if symlink in dest points to location in src.
{
const src = nextdir();